add asserts to point<-->verb helpers

tests/PathOpsSimplifyTest.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "PathOpsExtendedTest.h"
 
 #define TEST(name) { name, #name }
 
@@ skipping 3754 matching lines @@
     path.quadTo(0, 1, 1, 1);
     path.lineTo(1, 3);
     path.close();
     path.moveTo(1, 0);
     path.lineTo(3, 0);
     path.quadTo(0, 1, 1, 2);
     path.close();
     testSimplify(reporter, path);
 }
 
-static void (*firstTest)(skiatest::Reporter* ) = 0;
+static void (*firstTest)(skiatest::Reporter* ) = testQuadratic85;
 
 static TestDesc tests[] = {
     TEST(testQuad7),
     TEST(testQuad6),
     TEST(testQuad5),
     TEST(testQuad4),
     TEST(testQuad3),
     TEST(testQuad2),
     TEST(testAddTCoincident2),
     TEST(testAddTCoincident1),
@@ skipping 364 matching lines @@
         RunTestSet(reporter, subTests, subTestCount, firstSubTest, stopTest, runReverse);
     }
 #ifdef SK_DEBUG
     gDebugMaxWindSum = SK_MaxS32;
     gDebugMaxWindValue = SK_MaxS32;
 #endif
 }
 
 #include "TestClassDef.h"
 DEFINE_TESTCLASS_SHORT(PathOpsSimplifyTest)